risk behavior rizikové správanie 28 Exclude matching results adolescents 9 Exclude matching results adolescenti 8 Exclude matching results prevention (social problems) 5 Exclude matching results children and youth 4 Exclude matching results deti a mládež 4 Exclude matching results prevencia (sociálne problémy) 4 Exclude matching results drogová závislosť 3 Exclude matching results drug dependence 3 Exclude matching results learners 3 Exclude matching results scientific activities 3 Exclude matching results scientific research 3 Exclude matching results students 3 Exclude matching results teachers 3 Exclude matching results učitelia 3 Exclude matching results vedecká činnosť 3 Exclude matching results vedecký výskum 3 Exclude matching results študenti 3 Exclude matching results žiaci 3 Exclude matching results Internet communication 2 Exclude matching results adolescent psychology 2 Exclude matching results alcoholism 2 Exclude matching results alkoholizmus 2 Exclude matching results crime 2 Exclude matching results crisis intervention 2 Exclude matching results drug abuse 2 Exclude matching results educational research 2 Exclude matching results elementary schools 2 Exclude matching results empirical research 2 Exclude matching results